Made some tests with a new hydrogen booster. Didn't found motorcycle bench test machine so far.

ALEX LAB BLUEPRINTS
PDF step-by-step DIY guides are available for Channel Members in the Community tab.
Join the team right now! http://youtube.com/alexlab/join
If YouTube Membership is not available in your country, you can get PDF blueprints on Patreon.
  / alex_lab  
Here is a list of all PDF materials: https://shortest.link/hVU

Thanks for awesome tracks to Artlist.io
«Dirty water» by Trent Thompson https://artlist.io/song/25829/dirty-w...
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Shooting: iPhone 7, 4K

Dear superfans, engineers and companions!
Thank you for your help and support!
Without you, I wouldn`t make this project.
Sincerely, Alex.